This is the ACR technology in Roku TV devices. It works on the TVs inputs and fingerprints the video several times a minute, sending thumbnails to a server to g

This is the ACR technology in Roku TV devices. It works on the TVs inputs and fingerprints the video several times a minute, sending thumbnails to a server to get visual matches. To disable, go to Settings/Privacy/Smart TV experience and turn off the "use my TV inputs" option.